Finding the Fourth Proportional to 426,334.23, 588,341.34 and 235,347.75
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Solution
The fourth proportional to 426,334.23, 588,341.34 and 235,347.75 is: 324,779.95
Step by Step Solution
- Step 1: Write the proportion equation
426,334.23 : 588,341.34 = 235,347.75 : x - Step 2: Convert to fraction form
426,334.23/588,341.34 = 235,347.75/x - Step 3: Cross multiply
426,334.23x = 588,341.34 × 235,347.75 - Step 4: Simplify right side
426,334.23x = 138,464,810,600.99 - Step 5: Solve for x
x = 138,464,810,600.99/426,334.23 - Step 6: Final answer
x = 324,779.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.